diff --git a/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir b/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir
index c44483b2167..cc80ff449a7 100644
--- a/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir
+++ b/tests/mir-opt/const_allocation.main.ConstProp.after.32bit.mir
@@ -18,19 +18,19 @@ fn main() -> () {
 }
 
 ALLOC0 (static: FOO, size: 8, align: 4) {
-    ╾─ALLOC1──╼ 03 00 00 00                         │ ╾──╼....
+    ╾─ALLOC1─╼ 03 00 00 00                         │ ╾──╼....
 }
 
 ALLOC1 (size: 48, align: 4) {
     0x00 │ 00 00 00 00 __ __ __ __ ╾─ALLOC2──╼ 00 00 00 00 │ ....░░░░╾──╼....
-    0x10 │ 00 00 00 00 __ __ __ __ ╾─ALLOC3──╼ 02 00 00 00 │ ....░░░░╾──╼....
-    0x20 │ 01 00 00 00 2a 00 00 00 ╾─ALLOC4──╼ 03 00 00 00 │ ....*...╾──╼....
+    0x10 │ 00 00 00 00 __ __ __ __ ╾─ALLOC3─╼ 02 00 00 00 │ ....░░░░╾──╼....
+    0x20 │ 01 00 00 00 2a 00 00 00 ╾─ALLOC4─╼ 03 00 00 00 │ ....*...╾──╼....
 }
 
 ALLOC2 (size: 0, align: 4) {}
 
 ALLOC3 (size: 16, align: 4) {
-    ╾─ALLOC5──╼ 03 00 00 00 ╾─ALLOC6──╼ 03 00 00 00 │ ╾──╼....╾──╼....
+    ╾─ALLOC5──╼ 03 00 00 00 ╾─ALLOC6─╼ 03 00 00 00 │ ╾──╼....╾──╼....
 }
 
 ALLOC5 (size: 3, align: 1) {
@@ -42,8 +42,8 @@ ALLOC6 (size: 3, align: 1) {
 }
 
 ALLOC4 (size: 24, align: 4) {
-    0x00 │ ╾─ALLOC7──╼ 03 00 00 00 ╾─ALLOC8──╼ 03 00 00 00 │ ╾──╼....╾──╼....
-    0x10 │ ╾─ALLOC9──╼ 04 00 00 00                         │ ╾──╼....
+    0x00 │ ╾─ALLOC7─╼ 03 00 00 00 ╾─ALLOC8─╼ 03 00 00 00 │ ╾──╼....╾──╼....
+    0x10 │ ╾─ALLOC9─╼ 04 00 00 00                         │ ╾──╼....
 }
 
 ALLOC7 (size: 3, align: 1) {
diff --git a/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir b/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir
index 02fd6a8da53..60019708cad 100644
--- a/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir
+++ b/tests/mir-opt/const_allocation.main.ConstProp.after.64bit.mir
@@ -18,14 +18,14 @@ fn main() -> () {
 }
 
 ALLOC0 (static: FOO, size: 16, align: 8) {
-    ╾───────ALLOC1────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    ╾───────ALLOC1───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 ALLOC1 (size: 72, align: 8) {
     0x00 │ 00 00 00 00 __ __ __ __ ╾───────ALLOC2────────╼ │ ....░░░░╾──────╼
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░
-    0x20 │ ╾───────ALLOC3────────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────ALLOC4────────╼ │ ....*...╾──────╼
+    0x20 │ ╾───────ALLOC3───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────ALLOC4───────╼ │ ....*...╾──────╼
     0x40 │ 03 00 00 00 00 00 00 00                         │ ........
 }
 
@@ -33,7 +33,7 @@ ALLOC2 (size: 0, align: 8) {}
 
 ALLOC3 (size: 32, align: 8) {
     0x00 │ ╾───────ALLOC5────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x10 │ ╾───────ALLOC6────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x10 │ ╾───────ALLOC6───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 ALLOC5 (size: 3, align: 1) {
@@ -45,9 +45,9 @@ ALLOC6 (size: 3, align: 1) {
 }
 
 ALLOC4 (size: 48, align: 8) {
-    0x00 │ ╾───────ALLOC7────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x10 │ ╾───────ALLOC8────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x20 │ ╾───────ALLOC9────────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x00 │ ╾───────ALLOC7───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x10 │ ╾───────ALLOC8───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x20 │ ╾───────ALLOC9───────╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 ALLOC7 (size: 3, align: 1) {
diff --git a/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir b/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir
index 5fe485ea815..c0b0cc2f69b 100644
--- a/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir
+++ b/tests/mir-opt/const_allocation2.main.ConstProp.after.32bit.mir
@@ -18,19 +18,19 @@ fn main() -> () {
 }
 
 ALLOC0 (static: FOO, size: 8, align: 4) {
-    ╾─ALLOC1──╼ 03 00 00 00                         │ ╾──╼....
+    ╾─ALLOC1─╼ 03 00 00 00                         │ ╾──╼....
 }
 
 ALLOC1 (size: 48, align: 4) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾─ALLOC2──╼ 00 00 00 00 │ ....░░░░╾──╼....
-    0x10 │ 00 00 00 00 __ __ __ __ ╾─ALLOC3──╼ 02 00 00 00 │ ....░░░░╾──╼....
-    0x20 │ 01 00 00 00 2a 00 00 00 ╾─ALLOC4──╼ 03 00 00 00 │ ....*...╾──╼....
+    0x00 │ 00 00 00 00 __ __ __ __ ╾─ALLOC2─╼ 00 00 00 00 │ ....░░░░╾──╼....
+    0x10 │ 00 00 00 00 __ __ __ __ ╾─ALLOC3─╼ 02 00 00 00 │ ....░░░░╾──╼....
+    0x20 │ 01 00 00 00 2a 00 00 00 ╾─ALLOC4─╼ 03 00 00 00 │ ....*...╾──╼....
 }
 
 ALLOC2 (size: 0, align: 4) {}
 
 ALLOC3 (size: 8, align: 4) {
-    ╾─ALLOC5──╼ ╾─ALLOC6──╼                         │ ╾──╼╾──╼
+    ╾─ALLOC5─╼ ╾─ALLOC6─╼                         │ ╾──╼╾──╼
 }
 
 ALLOC5 (size: 1, align: 1) {
@@ -42,7 +42,7 @@ ALLOC6 (size: 1, align: 1) {
 }
 
 ALLOC4 (size: 12, align: 4) {
-    ╾─A7+0x3──╼ ╾─ALLOC8──╼ ╾─A9+0x2──╼             │ ╾──╼╾──╼╾──╼
+    ╾─A7+0x3─╼ ╾─ALLOC8─╼ ╾─A9+0x2─╼             │ ╾──╼╾──╼╾──╼
 }
 
 ALLOC7 (size: 4, align: 1) {
diff --git a/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir b/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir
index b55e35bb9c5..bd98633c759 100644
--- a/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir
+++ b/tests/mir-opt/const_allocation2.main.ConstProp.after.64bit.mir
@@ -18,21 +18,21 @@ fn main() -> () {
 }
 
 ALLOC0 (static: FOO, size: 16, align: 8) {
-    ╾───────ALLOC1────────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
+    ╾───────ALLOC1───────╼ 03 00 00 00 00 00 00 00 │ ╾──────╼........
 }
 
 ALLOC1 (size: 72, align: 8) {
-    0x00 │ 00 00 00 00 __ __ __ __ ╾───────ALLOC2────────╼ │ ....░░░░╾──────╼
+    0x00 │ 00 00 00 00 __ __ __ __ ╾───────ALLOC2───────╼ │ ....░░░░╾──────╼
     0x10 │ 00 00 00 00 00 00 00 00 00 00 00 00 __ __ __ __ │ ............░░░░
-    0x20 │ ╾───────ALLOC3────────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
-    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────ALLOC4────────╼ │ ....*...╾──────╼
+    0x20 │ ╾───────ALLOC3───────╼ 02 00 00 00 00 00 00 00 │ ╾──────╼........
+    0x30 │ 01 00 00 00 2a 00 00 00 ╾───────ALLOC4───────╼ │ ....*...╾──────╼
     0x40 │ 03 00 00 00 00 00 00 00                         │ ........
 }
 
 ALLOC2 (size: 0, align: 8) {}
 
 ALLOC3 (size: 16, align: 8) {
-    ╾───────ALLOC5────────╼ ╾───────ALLOC6────────╼ │ ╾──────╼╾──────╼
+    ╾───────ALLOC5───────╼ ╾───────ALLOC6───────╼ │ ╾──────╼╾──────╼
 }
 
 ALLOC5 (size: 1, align: 1) {
@@ -44,8 +44,8 @@ ALLOC6 (size: 1, align: 1) {
 }
 
 ALLOC4 (size: 24, align: 8) {
-    0x00 │ ╾─────ALLOC7+0x3──────╼ ╾───────ALLOC8────────╼ │ ╾──────╼╾──────╼
-    0x10 │ ╾─────ALLOC9+0x2──────╼                         │ ╾──────╼
+    0x00 │ ╾─────ALLOC7+0x3─────╼ ╾───────ALLOC8───────╼ │ ╾──────╼╾──────╼
+    0x10 │ ╾─────ALLOC9+0x2─────╼                         │ ╾──────╼
 }
 
 ALLOC7 (size: 4, align: 1) {
diff --git a/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir b/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
index d487d813e8a..e2db4b52e0c 100644
--- a/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
+++ b/tests/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
@@ -18,7 +18,7 @@ fn main() -> () {
 }
 
 ALLOC0 (static: FOO, size: 4, align: 4) {
-    ╾─ALLOC1──╼                                     │ ╾──╼
+    ╾─ALLOC1─╼                                     │ ╾──╼
 }
 
 ALLOC1 (size: 168, align: 1) {
@@ -31,7 +31,7 @@ ALLOC1 (size: 168, align: 1) {
     0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x80 │ 00 00 00 00 00 00 00 00 00 00 ╾─ALLOC3──╼ 00 00 │ ..........╾──╼..
-    0x90 │ ╾A4+0x63──╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............
+    0x90 │ ╾A4+0x63─╼ 00 00 00 00 00 00 00 00 00 00 00 00 │ ╾──╼............
     0xa0 │ 00 00 00 00 00 00 00 00                         │ ........
 }
 
diff --git a/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir b/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
index 3cdc1cbbcf4..392c5aedcaf 100644
--- a/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
+++ b/tests/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
@@ -18,7 +18,7 @@ fn main() -> () {
 }
 
 ALLOC0 (static: FOO, size: 8, align: 8) {
-    ╾───────ALLOC1────────╼                         │ ╾──────╼
+    ╾───────ALLOC1───────╼                         │ ╾──────╼
 }
 
 ALLOC1 (size: 180, align: 1) {
@@ -31,7 +31,7 @@ ALLOC1 (size: 180, align: 1) {
     0x60 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x70 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0x80 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ╾──── │ ..............╾─
-    0x90 │ ─────ALLOC3─────╼ 00 00 ╾────ALLOC4+0x63──────╼ │ ─────╼..╾──────╼
+    0x90 │ ─────ALLOC3─────╼ 00 00 ╾────ALLOC4+0x63─────╼ │ ─────╼..╾──────╼
     0xa0 │ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 │ ................
     0xb0 │ 00 00 00 00                                     │ ....
 }
diff --git a/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.32bit.diff
index f5da5d56777..f51431b101f 100644
--- a/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.32bit.diff
@@ -113,7 +113,7 @@
   }
   
   ALLOC1 (static: RC, size: 4, align: 4) {
-      ╾─ALLOC2──╼                                     │ ╾──╼
+      ╾─ALLOC2─╼                                     │ ╾──╼
   }
   
   ALLOC2 (size: 8, align: 4) {
diff --git a/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.64bit.diff
index db4eb162bda..b104801c48a 100644
--- a/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/enum.statics.DataflowConstProp.64bit.diff
@@ -113,7 +113,7 @@
   }
   
   ALLOC1 (static: RC, size: 8, align: 8) {
-      ╾───────ALLOC2────────╼                         │ ╾──────╼
+      ╾───────ALLOC2───────╼                         │ ╾──────╼
   }
   
   ALLOC2 (size: 8, align: 4) {
diff --git a/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.32bit.diff b/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.32bit.diff
index f208d82dfd5..8e0ce7eafd7 100644
--- a/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.32bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.32bit.diff
@@ -120,7 +120,7 @@
   }
   
   ALLOC0 (static: STAT, size: 4, align: 4) {
-      ╾─ALLOC1──╼                                     │ ╾──╼
+      ╾─ALLOC1─╼                                     │ ╾──╼
   }
   
   ALLOC1 (size: 16, align: 4) {
diff --git a/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.64bit.diff b/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.64bit.diff
index f8e9d34e5e7..de941e51f2f 100644
--- a/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.64bit.diff
+++ b/tests/mir-opt/dataflow-const-prop/struct.main.DataflowConstProp.64bit.diff
@@ -120,7 +120,7 @@
   }
   
   ALLOC0 (static: STAT, size: 8, align: 8) {
-      ╾───────ALLOC1────────╼                         │ ╾──────╼
+      ╾───────ALLOC1───────╼                         │ ╾──────╼
   }
   
   ALLOC1 (size: 16, align: 4) {
diff --git a/tests/ui/consts/const-eval/raw-bytes.32bit.stderr b/tests/ui/consts/const-eval/raw-bytes.32bit.stderr
index 7693e596c8c..a240a78255b 100644
--- a/tests/ui/consts/const-eval/raw-bytes.32bit.stderr
+++ b/tests/ui/consts/const-eval/raw-bytes.32bit.stderr
@@ -556,7 +556,7 @@ LL | pub static S7: &[u16] = unsafe {
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 8, align: 4) {
-               ╾A31+0x2──╼ 04 00 00 00                         │ ╾──╼....
+               ╾A31+0x2─╼ 04 00 00 00                         │ ╾──╼....
            }
 
 error[E0080]: it is undefined behavior to use this value
diff --git a/tests/ui/consts/const-eval/ub-incorrect-vtable.32bit.stderr b/tests/ui/consts/const-eval/ub-incorrect-vtable.32bit.stderr
index 3ec7d88e79c..25b773939dc 100644
--- a/tests/ui/consts/const-eval/ub-incorrect-vtable.32bit.stderr
+++ b/tests/ui/consts/const-eval/ub-incorrect-vtable.32bit.stderr
@@ -17,7 +17,7 @@ LL | const INVALID_VTABLE_SIZE: &dyn Trait =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 8, align: 4) {
-               ╾─ALLOC3──╼ ╾─ALLOC2──╼                         │ ╾──╼╾──╼
+               ╾─ALLOC3─╼ ╾─ALLOC2─╼                         │ ╾──╼╾──╼
            }
 
 error[E0080]: it is undefined behavior to use this value
@@ -28,7 +28,7 @@ LL | const INVALID_VTABLE_ALIGNMENT_UB: W<&dyn Trait> =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 8, align: 4) {
-               ╾─ALLOC5──╼ ╾─ALLOC4──╼                         │ ╾──╼╾──╼
+               ╾─ALLOC5─╼ ╾─ALLOC4─╼                         │ ╾──╼╾──╼
            }
 
 error[E0080]: it is undefined behavior to use this value
@@ -39,7 +39,7 @@ LL | const INVALID_VTABLE_SIZE_UB: W<&dyn Trait> =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 8, align: 4) {
-               ╾─ALLOC7──╼ ╾─ALLOC6──╼                         │ ╾──╼╾──╼
+               ╾─ALLOC7─╼ ╾─ALLOC6─╼                         │ ╾──╼╾──╼
            }
 
 error[E0080]: it is undefined behavior to use this value
@@ -50,7 +50,7 @@ LL | const INVALID_VTABLE_UB: W<&dyn Trait> =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 8, align: 4) {
-               ╾─ALLOC9──╼ ╾─ALLOC8──╼                         │ ╾──╼╾──╼
+               ╾─ALLOC9─╼ ╾─ALLOC8─╼                         │ ╾──╼╾──╼
            }
 
 error[E0080]: it is undefined behavior to use this value
diff --git a/tests/ui/consts/const-eval/ub-incorrect-vtable.64bit.stderr b/tests/ui/consts/const-eval/ub-incorrect-vtable.64bit.stderr
index 9f0588ac033..3d2868f6cb4 100644
--- a/tests/ui/consts/const-eval/ub-incorrect-vtable.64bit.stderr
+++ b/tests/ui/consts/const-eval/ub-incorrect-vtable.64bit.stderr
@@ -17,7 +17,7 @@ LL | const INVALID_VTABLE_SIZE: &dyn Trait =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 16, align: 8) {
-               ╾───────ALLOC3────────╼ ╾───────ALLOC2────────╼ │ ╾──────╼╾──────╼
+               ╾───────ALLOC3───────╼ ╾───────ALLOC2───────╼ │ ╾──────╼╾──────╼
            }
 
 error[E0080]: it is undefined behavior to use this value
@@ -28,7 +28,7 @@ LL | const INVALID_VTABLE_ALIGNMENT_UB: W<&dyn Trait> =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 16, align: 8) {
-               ╾───────ALLOC5────────╼ ╾───────ALLOC4────────╼ │ ╾──────╼╾──────╼
+               ╾───────ALLOC5───────╼ ╾───────ALLOC4───────╼ │ ╾──────╼╾──────╼
            }
 
 error[E0080]: it is undefined behavior to use this value
@@ -39,7 +39,7 @@ LL | const INVALID_VTABLE_SIZE_UB: W<&dyn Trait> =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 16, align: 8) {
-               ╾───────ALLOC7────────╼ ╾───────ALLOC6────────╼ │ ╾──────╼╾──────╼
+               ╾───────ALLOC7───────╼ ╾───────ALLOC6───────╼ │ ╾──────╼╾──────╼
            }
 
 error[E0080]: it is undefined behavior to use this value
@@ -50,7 +50,7 @@ LL | const INVALID_VTABLE_UB: W<&dyn Trait> =
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 16, align: 8) {
-               ╾───────ALLOC9────────╼ ╾───────ALLOC8────────╼ │ ╾──────╼╾──────╼
+               ╾───────ALLOC9───────╼ ╾───────ALLOC8───────╼ │ ╾──────╼╾──────╼
            }
 
 error[E0080]: it is undefined behavior to use this value
diff --git a/tests/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr b/tests/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr
index 65030ead85c..5ec4ce529e1 100644
--- a/tests/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr
+++ b/tests/ui/consts/miri_unleashed/mutable_references_err.32bit.stderr
@@ -28,7 +28,7 @@ LL | const BLUNT: &mut i32 = &mut 42;
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 4, align: 4) {
-               ╾─ALLOC3──╼                                     │ ╾──╼
+               ╾─ALLOC3─╼                                     │ ╾──╼
            }
 
 warning: skipping const checks
diff --git a/tests/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr b/tests/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr
index fd9d13adcbc..22a0c57b91a 100644
--- a/tests/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr
+++ b/tests/ui/consts/miri_unleashed/mutable_references_err.64bit.stderr
@@ -28,7 +28,7 @@ LL | const BLUNT: &mut i32 = &mut 42;
    |
    = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
    = note: the raw bytes of the constant (size: 8, align: 8) {
-               ╾───────ALLOC3────────╼                         │ ╾──────╼
+               ╾───────ALLOC3───────╼                         │ ╾──────╼
            }
 
 warning: skipping const checks